问题 填空题

行驶中的汽车关闭发动机后不会立即停止运动,是因为汽车具有______,汽车的速度越来越小,最后会停下来是因为汽车受到______的作用.

答案

汽车关闭发动机后没有动力,仍保持原来运动状态向前运动,是因为汽车有惯性.汽车停下来,运动状态改变,是由于受到了外力:摩擦力.力可以改变物体的运动状态.

故答案为:惯性;摩擦力.

阅读理解

Apple Inc co-founder and former CEO Steve Jobs, counted among the greatest American CEOs of his generation, died on Wednesday at the age of 56, after years-long and highly public battle with cancer.Mourners ( 哀悼者 ) gathered outside his house in Palo Alto, California, and Apple stores around the world.

Steve Jobs made technology fun.As tech leaders, they're really happy if they have one hit in their life.Steve Jobs has the Apple II, the Mac, the iPod, the iPhone, the iPad and Pixar.

Steve Jobs was a college dropout.He was adopted by a machinist and his wife, an accountant. They supported his early interest in electronics.He and his friend Steve Wozniak started Apple Computer —now just called Apple —in 1976.They stayed at the company until 1985.That year, Steve Wozniak returned to college and Steve Jobs left in a debate with the chief executive.

Mr.Jobs then formed his own company, called NeXT Computer.He rejoined Apple in 1997 after it bought NeXT.He helped remake Apple from a business that was in bad shape then to one of the most valuable companies in the world today.However, Steve Jobs stepped down as Apple's chief executive in August because of his health.He died a day after the company released a new iPhone version that met with limited excitement.Steve left behind a company that only he could have built, and his spirit will forever be the foundation of Apple.

President Obama said in a statement: by building one of the planet's most successful companies from his garage, Steve Jobs exemplified the spirit of American ingenuity (独创性的).By making computers personal and putting the Internet in our pockets, he made the information revolution not only accessible, but intuitive (有直觉力的) and fun.

The fact that he was able to redesign American business top to bottom and across is really stunning.He probably will be considered an industrial giant on the scale of Thomas Edison and Henry Ford, so one of the greatest of all time.Steve Jobs not only revolutionized technology, he also revolutionized American business.Steve Jobs was remembered as a "great visionary and leader" and a " marketing genius".

小题1:According to the second paragraph, the author wants to show that _____.

A.Steve Jobs owns many computer companies in America

B.Steve Jobs has a lot of inventions in the field of computers

C.tech leaders will be really happy when they have one hit in their life

D.Steve makes great contributions to mankind in the field of computers小题2:Which of the following statements about Steve Jobs is TRUE ?

A.He left Apple in 1985 because he and the CEO had different opinions.

B.He built a company called NeXT Computer with his friend Steve Woaniak.

C.He died a day after he stepped down as Apple's chief executive.

D.He was remembered as the founder of Apple and the Internet.小题3:The underlined word "stunning" in the last paragraph probably means ______.

A.effective

B.brilliant

C.practical

D.interesting小题4:This passage is mainly about _____.

A.the inventions of Steve Jobs

B.the childhood of Steve Jobs

C.a brief introduction of Steve Jobs

D.the death of Steve Jobs

问答题 简答题